Home / 30,463.73-41,998.61-21,376.75

Finding the Fourth Proportional to 30,463.73, 41,998.61 and 21,376.75

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Solution

The fourth proportional to 30,463.73, 41,998.61 and 21,376.75 is: 29,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,463.73 : 41,998.61 = 21,376.75 : x
  2. Step 2: Convert to fraction form
    30,463.73/41,998.61 = 21,376.75/x
  3. Step 3: Cross multiply
    30,463.73x = 41,998.61 × 21,376.75
  4. Step 4: Simplify right side
    30,463.73x = 897,793,734.76
  5. Step 5: Solve for x
    x = 897,793,734.76/30,463.73
  6. Step 6: Final answer
    x = 29,470.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.